Legal analysis: If there is no requirement for early disclosure, it will be automatically disclosed after 18 months. The invention patent application process is: application submission, preliminary examination, publication, substantive examination, and announcement and authorization. If the disclosure takes eighteen months, it is announced. You can also apply for early announcement if necessary. An invention patent application enters the publication stage from the issuance of the preliminary examination qualification notice. If the applicant does not make a request for early disclosure, it will not enter the public preparation process until 15 months from the filing date. If the applicant requests early disclosure, the application will immediately enter the disclosure preparation process. After format review, editing and proofreading, computer processing, typesetting and printing, the summary of the specification will be published in the Patent Gazette and a single volume of the specification will be published in the Patent Gazette about three months later. After the application is published, the applicant obtains the right to temporary protection. Obtain patent authorization letter.
Legal basis: "Patent Law of the People's Republic of China" Article 34 After the patent administration department of the State Council receives an application for an invention patent, if it is determined upon preliminary examination that it meets the requirements of this law, the patent application shall be valid from the date of application. It will be announced immediately after eighteen months. The patent administration department of the State Council may publish the application as early as possible upon the applicant's request.